CVE-2022-50001 (GCVE-0-2022-50001)
Vulnerability from cvelistv5
Published
2025-06-18 11:01
Modified
2025-06-18 11:01
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_tproxy: restrict to prerouting hook TPROXY is only allowed from prerouting, but nft_tproxy doesn't check this. This fixes a crash (null dereference) when using tproxy from e.g. output.
References
Impacted products
Vendor Product Version
Linux Linux Version: 4ed8eb6570a49931c705512060acd50058d61616
Version: 4ed8eb6570a49931c705512060acd50058d61616
Version: 4ed8eb6570a49931c705512060acd50058d61616
Version: 4ed8eb6570a49931c705512060acd50058d61616
Version: 4ed8eb6570a49931c705512060acd50058d61616
Version: 4ed8eb6570a49931c705512060acd50058d61616
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{
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_tproxy: restrict to prerouting hook\n\nTPROXY is only allowed from prerouting, but nft_tproxy doesn\u0027t check this.\nThis fixes a crash (null dereference) when using tproxy from e.g. output."
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      "providerMetadata": {
        "dateUpdated": "2025-06-18T11:01:01.184Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/18bbc3213383a82b05383827f4b1b882e3f0a5a5"
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      "title": "netfilter: nft_tproxy: restrict to prerouting hook",
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    "datePublished": "2025-06-18T11:01:01.184Z",
    "dateReserved": "2025-06-18T10:57:27.387Z",
    "dateUpdated": "2025-06-18T11:01:01.184Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2022-50001\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-06-18T11:15:27.950\",\"lastModified\":\"2025-06-18T13:46:52.973\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetfilter: nft_tproxy: restrict to prerouting hook\\n\\nTPROXY is only allowed from prerouting, but nft_tproxy doesn\u0027t check this.\\nThis fixes a crash (null dereference) when using tproxy from e.g. output.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: nft_tproxy: restricci\u00f3n al gancho de preenrutamiento. TPROXY solo se permite desde el preenrutamiento, pero nft_tproxy no lo comprueba. Esto corrige un fallo (desreferencia nula) al usar tproxy desde la salida, por ejemplo.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0b21edf4cc13516716848e0a4fdf726aa2a62cd9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/18bbc3213383a82b05383827f4b1b882e3f0a5a5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/343fed6b0daeb528ae5c9d4d84d9ff763ac95619\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/83ef55c4281f1b4c6bd4457c2e96ccd1c9e80200\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9a1d92cbeac3335fee99fa865b8c5b0f2e71a8f7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/eaba3f9b672c3a3f820da8ee9584b9520674eafa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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